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This OEM replacement contactor is the factory-specified high-voltage relay for the Carrier C4850C50ZX075610 packaged unit. The contactor acts as the primary switching device that connects line voltage to the compressor and condenser fan motor when the thermostat calls for cooling. A failed or pitted contactor is one of the most common causes of an air conditioner that won't start, short-cycles, or runs continuously without cooling. Replaces OEM part numbers HN53CB115, HN53HF122, and HN53HG120.
Compatibility: Engineered specifically for the Carrier C4850C50ZX075610 packaged unit. Cross-references OEM part numbers HN53CB115, HN53HF122, and HN53HG120. Verify coil voltage and pole configuration against your unit's data plate before ordering. Our HVAC parts specialists are available to confirm fitment — contact us before you buy if you have any questions.